2117871004424 has 64 divisors (see below), whose sum is σ = 4568178716160. Its totient is φ = 901684742400.

The previous prime is 2117871004387. The next prime is 2117871004429. The reversal of 2117871004424 is 4244001787112.

It is not an unprimeable number, because it can be changed into a prime (2117871004429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45668849 + ... + 45715199.

It is an arithmetic number, because the mean of its divisors is an integer number (71377792440).

Almost surely, 2^{2117871004424} is an apocalyptic number.

It is an amenable number.

2117871004424 is an abundant number, since it is smaller than the sum of its proper divisors (2450307711736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117871004424 is a wasteful number, since it uses less digits than its factorization.

2117871004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51718 (or 51714 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 41.

The spelling of 2117871004424 in words is "two trillion, one hundred seventeen billion, eight hundred seventy-one million, four thousand, four hundred twenty-four".